<?php

namespace Mcnd\CLI\Option;

class KeyValueOption extends ParsedOption
{
    protected array $values = [];

    public function setValue(string $key, string $value) : void
    {
        $this->values[$key] = $value;
    }

    public function setRawValue(string $value) : void
    {
        if (! str_contains($value, '=')) {
            throw new \RuntimeException(sprintf("A key=value notation was awaited, received %s instead", $value));
        }

        list($key, $value) = explode('=', trim($value), 2);

        $this->setValue($key, $value);
    }

    public function getValue() : null|array
    {
        return $this->values ?: null;
    }
}